Card for interaction with a computer
4 Assignments
0 Petitions
Accused Products
Abstract
A smart card comprising:
- a memory for storing information;
- at least one transmitting or receiving antenna; and
- a low frequency circuit, for handling information associated with said antenna and said memory, which information is modulated at a modulation frequency of between 5 kHz and 100 kHz. Preferably the antenna is an acoustic antenna.
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Citations
262 Claims
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1-198. -198. (canceled)
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199. A method of biometric authentication, comprising:
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moving a smart card by a person; detecting said motion using at least a circuit on said card; and analyzing said motion to obtain a biometric signature of said person. - View Dependent Claims (200, 201, 202)
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203-251. -251. (canceled)
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252. A device for extracting digitally signed information, comprising:
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an input for receiving digitally signed information presented visually or acoustically by a computer separate from said device; a processor that is part of said device for verifying said information using said signature; and a display on the device for presenting an indication responsive to said verification. - View Dependent Claims (253, 254, 255, 256, 257, 258, 259, 260, 261)
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262-279. -279. (canceled)
Specification